A majority of suppliers have reported the clone Col-1 to be a mouse monoclonal antibody specific to the human gene, CEACAM5, also known as Carcinoembryonic antigen related cell adhesion molecule 5 and CEA. Other suppliers describe clone Col-1 to be a mouse monoclonal antibody against human COL1A1, or collagen type I alpha 1 chain. Indicated applications for antibody clone Col-1 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, immunocytochemistry, immunoprecipitation, and blocking/inhibition.